Built a local-only Chrome extension that reads visible Colonist game state, tracks known and possible opponent hands, and gives legal, board-aware advice

Building regional fashion search across stores from natural-language queries, product links, and images

Building a daily reasoning workout around one shared problem, one considered answer, and a structured mirror of how each person reasoned

Built an offline-first survival computer for maps, emergency knowledge, secure notes, local search, cached feeds and weather, and practical sensor tools

Built a production-minded SvelteKit starter with connected auth, billing, realtime data, AI, product UI, tests, and deployment

Built a global register allocator that merges live ranges into webs, constructs an interference graph, and colors it under a bounded register count

Co-built a framework-free gym management platform in strict PHP, SQLite, semantic HTML, layered CSS, and vanilla JavaScript/AJAX

Built an open-source content workspace for solo founders to create, adapt, schedule, publish, and track content across social platforms

Modeled reviewer-to-paper assignment as a capacitated bipartite flow network with expertise, review-count, and reviewer-capacity constraints

Co-built a campus peer-help app that matches nearby FEUP students by subject, coordinates live help sessions, and rewards helpers with a karma economy

Co-built a pixel-art tower-defense game and small game engine in C for MINIX, driven by timer, keyboard, mouse, graphics, and serial-port interrupts

Co-built a TankTrouble-inspired 2D local tank combat game in Java with Lanterna, including local 1v1 multiplayer and single-player AI

Produce Portuguese STEM and computer-science explainers for FEUP students, covering calculus, RISC-V assembly, formal languages, algorithms, and theory of computation

Built a privacy-first social platform for my high-school capstone, centered on friend-only sharing and QR-based connections

Rebuilt my offline-first shift app Trabalho por Turnos as ENF., a work companion for nurses in Portugal with calendar-based shift scheduling, overtime/night-shift pay logic, municipal holidays, and monthly reports